BUG - NullPointerException!

Feedback and Suggestions
#1

In Boss Fight: (I was trying to copy the strength of my existing and relativly strong creature with that 3 blue 3 red being.)

https://steamuserimages-a.akamaihd.net/ugc/844842244071682629/70526BA33491A7CE42AD3D2CED984F7ABBCD0F58/

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